use dragonfly instead of rmagick when getting the dimensions of an image upload
use dragonfly instead of rmagick when getting the dimensions of an image upload

Gnuside/contrib-locomotivecms-engine,LaunchPadLab/engine,slavajacobson/engine,furkanayhan/engine,local-ch/locomotivecms-engine,k-yamada/engine,LaunchPadLab/engine,masm/engine,emanuel/engine,slavajacobson/engine,masm/engine,local-ch/locomotivecms-engine,Coren/engine,thirus/engine,dreimannzelt/locomotive-engine,dreimannzelt/locomotive-engine,chepri/engine,StartupWeekend/engine,k-yamada/engine,ipmobiletech/locomotivecms-engine,local-ch/locomotivecms-engine,timsly/engine,merqlove/engine,merqlove/engine,boie0025/engine,merqlove/engine,furkanayhan/engine,slavajacobson/engine,thirus/engine,thirus/engine,benhutton/engine_bak,ipmobiletech/locomotivecms-engine,benhutton/engine_bak,Sharagoz/engine,scarl3tt/engine,boie0025/engine-clone,emanuel/engine,scarl3tt/engine,scarl3tt/engine,boie0025/engine,StartupWeekend/engine,boie0025/engine-clone,Coren/engine,ipmobiletech/locomotivecms-engine,boie0025/engine-clone,Coren/engine,benhutton/engine_bak,Sharagoz/engine,StartupWeekend/engine,dreimannzelt/locomotive-engine,emanuel/engine,furkanayhan/engine,timsly/engine,merqlove/engine,furkanayhan/engine,chepri/engine,dreimannzelt/locomotive-engine,Sharagoz/engine,boie0025/engine,LaunchPadLab/engine,LaunchPadLab/engine,StartupWeekend/engine,chepri/engine,k-yamada/engine,slavajacobson/engine,local-ch/locomotivecms-engine,chepri/engine,ipmobiletech/locomotivecms-engine,boie0025/engine,boie0025/engine-clone,masm/engine,k-yamada/engine,scarl3tt/engine,thirus/engine,Gnuside/contrib-locomotivecms-engine,timsly/engine,timsly/engine,Gnuside/contrib-locomotivecms-engine,Coren/engine,masm/engine